下列哪一项不是影响CVP测定值的因素（）
A.胸内压
B.导管位置
C.穿刺部位
D.标准零点
E.测压系统的通畅度
参考答案：C
依法治国的理念主要包含哪些内容？
He is the lawyer who you took photos ____ you were in the Forbidden City.
A．when
B．of when
C．where
D．of where
